CVE-2023-32665
published 2023-09-14CVE-2023-32665: A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing…
PriorityP418medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
0.39%
31.2th percentile
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | glib2.0 | < glib2.0 2.74.4-1 (bookworm) | glib2.0 2.74.4-1 (bookworm) |
| debian | glib2.0 | — | — |
| gnome | glib | < 2.74.4 | 2.74.4 |
| gnome | glib | < 2.75.1 | 2.75.1 |
| msrc | cbl2_glib_2.71.0-4_on_cbl_mariner_2.0 | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
osv7.8HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
CISA ICS
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
cisa_ics·2023-12-14
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
ICS Advisory
##
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
Release DateDecember 14, 2023
Alert CodeICSA-23-348-10
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
- Vulnerabilities: Improper Restriction of XML External Entity Reference, Time-of-check Time-of-use (TOCTOU) Race Condition, Command Injection, Miss
Ubuntu
GLib vulnerabilities
vendor_ubuntu·2023-10-19
CVE-2023-29499 GLib vulnerabilities
Title: GLib vulnerabilities
Summary: Several security issues were fixed in GLib.
USN-6165-1 fixed vulnerabilities in GLib. This update provides the
corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu
18.04 LTS.
Original advisory details:
It was discovered that GLib incorrectly handled non-normal GVariants. An
attacker could use this issue to cause GLib to crash, resulting in a
denial of service, or perform other unknown attacks.
Instructions: In general, a standard system update will make all the necessary changes.
Microsoft
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but
vendor_msrc·2023-09-12·CVSS 5.3
CVE-2023-32643 [MEDIUM] CWE-122 A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX i
Microsoft
Gvariant deserialisation does not match spec for non-normal data
vendor_msrc·2023-09-12·CVSS 5.5
CVE-2023-32665 [MEDIUM] CWE-400 Gvariant deserialisation does not match spec for non-normal data
Gvariant deserialisation does not match spec for non-normal data
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
redhat: redhat
Customer Action Required: Yes
Remediation: CBL-Mariner Releases
Reference: ht
Ubuntu
GLib vulnerabilities
vendor_ubuntu·2023-06-14
CVE-2023-32636 GLib vulnerabilities
Title: GLib vulnerabilities
Summary: Several security issues were fixed in GLib.
It was discovered that GLib incorrectly handled non-normal GVariants. An
attacker could use this issue to cause GLib to crash, resulting in a denial
of service, or perform other unknown attacks.
Instructions: In general, a standard system update will make all the necessary changes.
Debian
CVE-2023-32665: glib2.0 - A flaw was found in GLib. GVariant deserialization is vulnerable to an exponenti...
vendor_debian·2023·CVSS 5.5
CVE-2023-32665 [MEDIUM] CVE-2023-32665: glib2.0 - A flaw was found in GLib. GVariant deserialization is vulnerable to an exponenti...
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
Scope: local
bookworm: resolved (fixed in 2.74.4-1)
bullseye: resolved (fixed in 2.66.8-1+deb11u1)
forky: resolved (fixed in 2.74.4-1)
sid: resolved (fixed in 2.74.4-1)
trixie: resolved (fixed in 2.74.4-1)
Debian
CVE-2023-32643: glib2.0 - A flaw was found in GLib. The GVariant deserialization code is vulnerable to a h...
vendor_debian·2023·CVSS 5.3
CVE-2023-32643 [MEDIUM] CVE-2023-32643: glib2.0 - A flaw was found in GLib. The GVariant deserialization code is vulnerable to a h...
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
Red Hat
glib: Heap-buffer-overflow in g_variant_serialised_get_child
vendor_redhat·2022-12-14·CVSS 5.3
CVE-2023-32643 [MEDIUM] CWE-122 glib: Heap-buffer-overflow in g_variant_serialised_get_child
glib: Heap-buffer-overflow in g_variant_serialised_get_child
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
Package: glib2 (Red Hat Enterprise Linux 6) - Not affected
Package: glib2 (Red Hat Ente
Red Hat
glib: GVariant deserialisation does not match spec for non-normal data
vendor_redhat·2022-12-14·CVSS 5.5
CVE-2023-32665 [MEDIUM] CWE-400 glib: GVariant deserialisation does not match spec for non-normal data
glib: GVariant deserialisation does not match spec for non-normal data
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
Statement: This vulnerability allows for a denial of service attack to be performed against applications that process untrusted GVariant input, compromising application availability by consuming excessive processing time or utilizing a large quantity of memory. The most likely threat is from a local user, which may be possible depending on the configuration
OSV
CVE-2023-32665: A flaw was found in GLib
osv·2023-09-14·CVSS 5.5
CVE-2023-32665 [MEDIUM] CVE-2023-32665: A flaw was found in GLib
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
GHSA
GHSA-c9xj-rf55-c64g: A flaw was found in GLib
ghsa_unreviewed·2023-09-14
CVE-2023-32665 [MEDIUM] CWE-400 GHSA-c9xj-rf55-c64g: A flaw was found in GLib
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
GHSA
GHSA-8jhw-fpw9-r227: A flaw was found in GLib
ghsa_unreviewed·2023-09-14·CVSS 5.5
CVE-2023-32643 [MEDIUM] CWE-122 GHSA-8jhw-fpw9-r227: A flaw was found in GLib
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
OSV
CVE-2023-32643: A flaw was found in GLib
osv·2023-06-07·CVSS 7.8
CVE-2023-32643 [HIGH] CVE-2023-32643: A flaw was found in GLib
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2023-32665 glib: GVariant deserialisation does not match spec for non-normal data
bugzilla·2023-06-02·CVSS 5.5
CVE-2023-32665 [MEDIUM] CVE-2023-32665 glib: GVariant deserialisation does not match spec for non-normal data
CVE-2023-32665 glib: GVariant deserialisation does not match spec for non-normal data
GLib's GVariant deserialization prior to GLib 2.74.4 is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
References:
https://gitlab.gnome.org/GNOME/glib/-/issues/2121
Discussion:
Created glib tracking bugs for this issue:
Affects: epel-all [bug 2212688]
Created glib2 tracking bugs for this issue:
Affects: fedora-37 [bug 2212690]
Affects: fedora-38 [bug 2212696]
Affects: fedora-all [bug 2212689]
Created mingw-glib2 tracking bugs for this issue:
Affects: fedora-37 [bug 2212693]
Affects: fedora-38 [bug 2212697]
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 9
Via RHSA-2023:663
Bugzilla
CVE-2023-32643 glib: Heap-buffer-overflow in g_variant_serialised_get_child
bugzilla·2023-06-02·CVSS 7.8
CVE-2023-32643 [HIGH] CVE-2023-32643 glib: Heap-buffer-overflow in g_variant_serialised_get_child
CVE-2023-32643 glib: Heap-buffer-overflow in g_variant_serialised_get_child
GLib's GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
References:
https://gitlab.gnome.org/GNOME/glib/-/issues/2840
Discussion:
Created glib tracking bugs for this issue:
Affects: epel-all [bug 2212717]
Created glib2 tracking bugs for this issue:
Affects: fedora-all [bug 2212719]
Created mingw-glib2 tracking bugs for this issue:
Affects: fedora-all [bug 2212718]
---
This bug is now closed. Further updates for individual products will be reflected on the CVE pa
https://access.redhat.com/security/cve/CVE-2023-32665https://bugzilla.redhat.com/show_bug.cgi?id=2211827https://gitlab.gnome.org/GNOME/glib/-/issues/2121https://lists.debian.org/debian-lts-announce/2023/09/msg00030.htmlhttps://security.gentoo.org/glsa/202311-18https://security.netapp.com/advisory/ntap-20240426-0006/https://access.redhat.com/security/cve/CVE-2023-32665https://bugzilla.redhat.com/show_bug.cgi?id=2211827https://gitlab.gnome.org/GNOME/glib/-/issues/2121https://lists.debian.org/debian-lts-announce/2023/09/msg00030.htmlhttps://security.gentoo.org/glsa/202311-18https://security.netapp.com/advisory/ntap-20240426-0006/
2023-09-14
Published